21366207

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{19301}}^1$

素因数の和:19351

約数の個数: 16

約数和(自身を含む): 32427360

約数和(自身を除く): 11061153

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 19301, 57903, 173709, 521127, 791341, 2374023, 7122069, 21366207]

約数ペア:

[(1, 21366207), (3, 7122069), (9, 2374023), (27, 791341), (41, 521127), (123, 173709), (369, 57903), (1107, 19301)]